An employee was texturing a wall using an air compressor. PDF ODULE 1 INTRODUCTION TO E SAFETY - Occupational Safety and Health The ground wire was not attached on the male end of the cord's plug. C 277v. In which of the following workplace situations are you at risk for coming into contact with live electrical . 3. Quiz Question 7: Which is not an insulator? and more. hbb``b``3N0  endstream endobj 183 0 obj <>/Metadata 28 0 R/Names 184 0 R/Outlines 23 0 R/Pages 27 0 R/StructTreeRoot 30 0 R/Type/Catalog/ViewerPreferences<>>> endobj 184 0 obj <> endobj 185 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 186 0 obj <> endobj 187 0 obj <> endobj 188 0 obj <>stream 0000419562 00000 n [Flexible Cords] Cords that are not 3-wire type, not designed for hard-usage, or that have been modified, increase your risk of contacting electrical current. d.A power tool, A GFCI is designed to: Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. 0000001731 00000 n |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s 2.The person's physical condition 0000055319 00000 n Ground all exposed metal parts of equipment. The scaffold had been constructed only 21 horizontal inches across from a 7,620-volt power line. An OSHA inspection revealed that the tool's original power cord had been replaced with a flat cord, which was not designated for hard service, and that strain relief was not provided at the point where the cord entered the tool. The NEC C. Suggestions He plans to use it over a period of at least six months. endobj 0000004946 00000 n 4.Must be replaced, Always use a GFCI: b.Yes, as it would be too expensive to install more permanent wiring and receptacles. Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q Which group would be more accurate when used in an accelerating spaceship? 1 0 obj 12 months C. 6 months D. Never Q23. 2. c. Match the color of the tool to the color of the extension cord. Which of the following are insulators of electricity? OSHA 10-Hour Safety Course - Electrical Safety Page 5 of 5 Use the three-stage safety model to stay safe: recognize, evaluate, and control hazards. 0000089142 00000 n The length of time the body is in the circuit, in contact with electricity - Factor determining the severity of an electrical . d. Power outlets, ________ are anything that can transmit electrical current. Select the correct answer and then click DONE. d. Not checking to make sure that the motor was properly grounded, If the circuit does not turn off when testing the GFCI, the GFCI: A) Identify; Castigate; C) Evaluate; D) Modify; 3. The laborer, who was wearing leather gloves, received an electric shock and dropped the wire reinforcement, which fell across the power line and simultaneously contacted the metal rail of the scaffold, energizing the entire scaffold. 0000001495 00000 n Overview. After the wall was poured, one driver cleaned the loading chute of his cement truck with a water hose mounted on the truck. Which one of these methods MOST effectively protects machines, tools, and operators against damage from electrical current? Handling Damaged Extension Cord When Energized: A 19-year-old construction laborer was working with his foreman and another laborer to construct a waterfront bulkhead for a lakeside residence. Use the terms (freezing, gas, liquid, physical changes, solubility, solution, temperature, volume) to complete the sentence. 4.On equipment that must run unattended for long periods of time, Manufacturing equipment may be grounded using a wire connected to a rod driven into the earth. 1.Flammable liquids 1,[-c|"&u[Fu>wjte8j:xRk )"m_!6awT J,byp?fRBf?p|b3/Um\7"|+@5vvWAa5J^y*q,l b)Ftt4 :4,-J`! 3 0 obj 4. Use only extension cords that are 3-wire type. A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. b.30,000 volts OSHA 10 - Electrical Flashcards | Quizlet She has an older drill with a steel housing and a 3-prong plug. PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. Remove cords from receptacles by pulling on the plugs, not the cords. Test your knowledge with our electrical safety quiz below. gYpV:+ Safe operation of hand and portable powered tools and other hand-held equipment. Examples of Equipment That Can Contact Power Lines. a.Electricity CCOHS: Electrical Safety - Basic Information D. near other electrical equipment. 3.Vapor Electrical hazards expose workers to the following: Burns: Three types; electrical, arc flash, or thermal contact. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. The victim used two extension cords to supply power: a home-made cord plugged into an ungrounded receptacle on the pole, and a UL-approved cord extending from the homemade cord to the saw. Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. OSHA 30 - Quiz 3 - Electrocution Hazards Flashcards | Quizlet uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. b) Staples Electricity to the auger was supplied by a series of 50-foot extension cords running to an adjacent property. Supply power for tools or equipment on a long-term basis. 0000108920 00000 n Use non-conductive wood or fiberglass ladders when working near power lines. Before using the equipment, be sure that the ground wire: 1. Lx*jWP# /c2)|]NXqAx>=~'[ 4.Circuit breakers, When inspecting power tools, look for: Looking for NFPA 70E Certification? As he began to pull away, the crew supervisor yelled to him, asking if the crew could use his water hose to wash out their cement bucket suspended from the crane. OSHA 30 Module 6: Personal Protective Equipme, OSHA 30 - Module 16: Recordkeeping & Reporting, OSHA 30 - Module 18: Safety and Health Progra, OSHA 30 - Module 11: Welding, Cutting and Bra, CRJ 200 Limitations (Official-ish) - MODDED (, SERE 100.2 Level A SERE (J3TA-US1329) (Civili, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, E. Russell Johnston, Ferdinand Beer, Phillip Cornwell. *Effects are for voltages less than about 600 volts. 0000004273 00000 n -Glass. I;C`_;LV'd,|#H--e`( ')'RpAgA7O`?%68SB 0000013999 00000 n 0000003715 00000 n c) Age Effective means of controlling power line hazards include: To avoid injury or death, you must understand and recognize hazards. d.Add more outlets. 1.Cuts OSHA 29 CFR 1910, Subpart S . %PDF-1.4 % c.A measurement of electricity 3 0 obj The following hazards are the most frequent causes of electrical injuries Contact with Power Lines, Lack of Ground-fault Protection, Path to Ground Missing or Discontinuous, Equipment Not Used in Manner Prescribed, and Improper Use of Extension and Flexible Cords. PDF C. Best Practices with Power Lines Quiz OSHA 30 - Best Many workers are unaware of the potential electrical hazards present in their work environment, which makes them more vulnerable to the danger of electrocution. =EAn`u!d, |\~Y>ZF( dnLN\2vP6 >sSjgh2:Lmqx#a[G2{h$zW]_:@Lvr)2T:R-/ `&~O4j)>1P*M 5>F:1B.g!AR [Power Tools]. Match the length from job to outlet. 0000005042 00000 n The victim was totally deaf in one ear and suffered diminished hearing in the other. The victim collapsed into the lake and sank 4-1/2 feet to the bottom. Suppose you could convert the 525525525 Calories in the cheeseburger you ate for lunch into mechanical energy with 100%100 \%100% efficiency and you throw a 0.145kg0.145~\mathrm{kg}0.145kg baseball with the energy contained in the cheeseburger. 1.Missing or broken path to ground. Cardiac arrest or death - A result of electrical shock. H\n@0vj@/R#tnvihavopnS1>v8Z6zLpOCRU.O^6pImjgk{xv6%zp\,{|7_WqNfhu09$U?kW}: }y}]OIL5~W*8D~%W-yww;sORYbfspA.%YJV L%=Kx&0W+ Others, such as office workers and sales people, work with electricity indirectly and may also be exposed to electrical hazards. If electrical equipment is used in ways for which it is not designed, you can no longer depend on safety features built in by the manufacturer. 0000006893 00000 n The following references aid in recognizing hazards associated with electrical work. 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp b.The tool's power cord. Quiz Question 10: Ground-fault circuit interrupters must be used for all of the following except? Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream . 0000003413 00000 n 4,600. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. Electrical Safety Multiple Choice Questions(MCQs) & Answers - gkseries Bob is asked to repair some overhead wiring, requiring the use a ladder. 3.Needs to be reset 0000005050 00000 n What are the 4 main type of hazards? [Ultimate Guide!] The following are electrical hazards: Shock. When current travels through your body - Definition of electric shock. Potential hazards of electricity are preventable if you do which of the following listed below? A 29-year-old worker was electrocuted when he pushed a crane cable into a 7,200-volt power line. The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Then answer the questions below. Contact utilities for buried power line locations. Noise, : ________ or heavy perspiration can cause electricity to take an unintended path. hb``b``=p0X8n0lY0L#rK[V26h* @0H!XDl+!&FfUfo`h6l 0000012360 00000 n 0000108653 00000 n 0 1476 0 obj <>stream 3.Draped over equipment. Select the correct answer and then click DONE. a. -Severe skin burns. 0000000816 00000 n Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. 1) The _____ created the Occupational Safety and Health Administration (OSHA) to set and enforce protective workplace safety and health standards. OSHA 30 Construction Final Test Answer Key - Studylib Besides personal bodily injury, what other electrical hazards can be found in the workplace? x=k6S *ywvkDyb_w rg&@Q5/^4O_~w/]7[xqs7Zt?LK-,>W\W`Mb?n8\.vpOJA7~5R%.oJd|Bbv7biQH%^~C=m3_ov{8] }C.Se={o7H[w@/^j BgXRC/O/eiLHiN\4~7x=^J@|]zu"x]lQ-+.xF=oY +B?jSl|(agF_].+UH\!/;AU .cG!h@42 iqnkZtdc#^)AX96(wFZ,RP{[\j\aJgc) diV;BNzZge(}=0Pj Qp@"]yOnNw89 0000002195 00000 n 3.No, because he will not be touching any grounded material when using the tool. Switch What is the minimum clearance distance you must maintain from the power lines? stream endobj 0000421627 00000 n 0000004274 00000 n b.Electrical tools Yes, because he will be using electricity near water. How fast would the ball be moving at the moment of release? According to NFPA 70E, job briefings must be held for those employees that will be working on or near live parts operating at ______ or more. 0000420887 00000 n A 56-year-old construction laborer was removing forms from a concrete wall poured several days earlier. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. endobj %PDF-1.5 Select the correct answer and then click DONE. 0000420277 00000 n PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: Select the correct answer and then click DONE. Best practices with power lines include: D. Communicate the hazard to the crew and subs, use signs and bar E. Both C and D Q22. Draw a line from the item on the left that corresponds to the match on the right. Arc Flash. Select the correct answer and then click DONE. !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ -Rubber. Is not broken, Question Text: Electrical tools should be grounded with a(n)________. Using a dry wood ladder when the possibility exists for contact with electricity. 0000000816 00000 n A measure of the energy of motion of the particles in a substance is its _____. View Best Practices with Power Lines Quiz OSHA 30.docx from OSHA 30 at Columbia Southern University. Is not painted over hazard or that their employer is not following OSHA's rules. The victim signaled the operator of the crane to extend the boom and lower the hoist cable. Question 1: Each year, approximately __________ workers suffer from electricity related injuries. -Damage to internal organs. Reportedly, he was shocked throughout the morning, and he had replaced one of the extension cords in an effort to eliminate the shocks. Question 2: Which of the following are ways employers must protect their employees on the workplace?